Bump python-can from 3.3.4 to 4.3.1

Bumps [python-can](https://github.com/hardbyte/python-can) from 3.3.4 to 4.3.1.
- [Release notes](https://github.com/hardbyte/python-can/releases)
- [Changelog](https://github.com/hardbyte/python-can/blob/main/CHANGELOG.md)
- [Commits](hardbyte/python-can@3.3.4...v4.3.1)

---
updated-dependencies:
- dependency-name: python-can
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,6 +1,6 @@
 aenum==3.1.15
 paho-mqtt==1.5.1
-python-can==3.3.4
+python-can==4.3.1
 python-dotenv==0.17.1
 click==8.0.1
 PyYAML~=5.4.1